Update monorepo to Composer 2.7.1 #72149

Job	Run time
Determine tests matrix	1m 7s
E2E: Build jetpack-boost	3m 49s
E2E: Build jetpack-core	4m 9s
E2E: Build jetpack-search	3m 43s
E2E: Build jetpack-social	3m 31s
E2E: Build jetpack-sync	3m 55s
E2E: Build jetpack-videopress	3m 9s
Jetpack connection e2e tests	5m 31s
Jetpack pre-connection e2e tests	3m 8s
Jetpack post-connection e2e tests	7m 52s
Jetpack sync e2e tests	4m 4s
Jetpack Boost - Base e2e tests	4m 41s
Jetpack Boost - Modules e2e tests	5m 8s
Jetpack Boost - Critical CSS e2e tests	4m 10s
Search e2e tests	5m 43s
VideoPress e2e tests	3m 37s
Social e2e tests	3m 36s
Test report	4s
Slack notification	1m 5s
	1h 12m 2s

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